PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, there is a problem that peculiar functions of nanomaterials cannot be realized since they agglomerate when combined to make composite materials because the surface state of the nanomaterials is generally unstable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com